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문제 및 해결책

일반적인 플라스틱 재료 문제에 대한 실질적인 답변

1506 질문
Q
Periodic EMA surface ripples
A
Ripples are caused by unstable injection; equipment overhaul and PID control are key
Injection Molding EMA surface ripples injection stability equipment overhaul PID control
Q
EMA surface tiger stripes
A
Tiger stripes are caused by unstable injection front; multi-stage injection and high mold temperature are key
Injection Molding EMA tiger stripes injection speed multi-stage injection mold temperature control
Q
Obvious EMA surface color difference
A
Color difference is caused by uneven dispersion and orientation; masterbatch method and stable processing are key
Injection Molding EMA color difference color masterbatch dispersion pigment orientation temperature stability
Q
EMA surface orange peel
A
Orange peel is caused by rapid cooling and solidification; increasing mold temperature and holding pressure are key
Injection Molding EMA orange peel mold temperature holding pressure surface solidification
Q
Severe EMA internal stress concentration
A
Internal stress is caused by fast injection and uneven cooling; speed reduction, uniform cooling and annealing are key
Injection Molding EMA internal stress orientation stress annealing treatment uniform cooling
Q
Unstable weight of EMA injection molded products
A
Product weight stability depends on injection volume accuracy and holding pressure consistency
Injection Molding EMA injection weight fluctuation injection volume holding pressure consistency V/P switchover
Q
EMA '2079851475616104452 Cold Slug Marks
A
Cold slug marks are caused by solidified residual material in the nozzle; increasing nozzle temperature and cold slug well design are key
Injection Molding EMA injection cold slug marks nozzle temperature cold slug well injection pressure
Q
EMA '2079851475616104452 Flow Marks
A
Flow marks are caused by unstable injection front and rapid cooling; multi-stage injection and high mold temperature are key
Injection Molding EMA injection flow marks injection speed mold temperature gate area
Q
EMA '2079851475616104452 Sink Marks
A
Q
EMA '2079851475616104452 Multi-Cavity Filling Imbalance
A
Multi-cavity filling imbalance is caused by runner design; balanced runners and mold flow analysis are key
Injection Molding EMA injection multi-cavity balance runner design gate size mold flow analysis
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